HVAC Forum

1,665 topics in this forum

1. Fire dampers in supply and return plenums

   By Richard Moore, October 14, 2007
   • 11 replies
   • 8.7k views
   • 
   • hausdok
   • January 18, 2009

2. York Affinity Modulating Furnace Venting 1 2

   By bay_dragon, January 6, 2009
   • 43 replies
   • 21.3k views
   • 
   • bay_dragon
   • January 12, 2009

3. High temp

   By Phillip, December 27, 2008
   • 15 replies
   • 3.1k views
   • 
   • Phillip
   • January 7, 2009

4. HVAC book?

   By David C. Argabright, March 3, 2005
   • 12 replies
   • 3.9k views
   • 
   • Bain
   • January 7, 2009

5. Boiler in Finished Basement III (*quiz)

   By Jeff Remas, January 5, 2009
   • 10 replies
   • 2.3k views
   • 
   • Bain
   • January 6, 2009

6. Confused

   By sdsferraro, July 20, 2007
   • 4 replies
   • 2.7k views
   • 
   • energy star
   • January 6, 2009

7. Burner Nozzle Replacement

   By fabaldwin, October 23, 2008
   • 12 replies
   • 15.7k views
   • 
   • qhinspect
   • January 6, 2009

8. Cold high pressure line

   By rlskfoster, April 16, 2007
   • 24 replies
   • 13k views
   • 
   • energy star
   • January 6, 2009

9. Boiler in Finished Basement II (*quiz) 1 2

   By Jeff Remas, January 4, 2009
   • 34 replies
   • 7.7k views
   • 
   • energy star
   • January 5, 2009

10. Boiler in Finished Basement

    By Jeff Remas, December 31, 2008
    • 14 replies
    • 2.4k views
    • 
    • Jeff Remas
    • January 4, 2009

11. HVAC Return Duct from Garage ?

    By Nolan Kienitz, January 1, 2009
    • 8 replies
    • 4k views
    • 
    • hausdok
    • January 3, 2009

12. Conquest 90 furnace

    By bleschke, January 1, 2009
    • 11 replies
    • 19.2k views
    • 
    • bleschke
    • January 1, 2009

13. Heil furnace with small return duct

    By msteger, November 12, 2008
    • 18 replies
    • 6.9k views
    • 
    • Eric B
    • December 31, 2008

14. Blue stuff sprayed on condenser coil

    By Inspectorjoe, December 30, 2008
    • 4 replies
    • 1.9k views
    • 
    • Terence McCann
    • December 30, 2008

15. Thermally Actuated Vent Dampers

    By dtontarski, December 24, 2008
    • 5 replies
    • 8k views
    • 
    • dneipp
    • December 25, 2008

16. Geo Thermal heat Pumps

    By sepefrio, September 17, 2008
    • 12 replies
    • 3k views
    • 
    • energy star
    • December 25, 2008

17. Old, old furnace 1 2

    By exploreparadise2, December 4, 2008
    • 27 replies
    • 6.9k views
    • 
    • energy star
    • December 24, 2008

18. conquest 90

    By froggy22, December 22, 2008
    • 13 replies
    • 6.7k views
    • 
    • Richard Moore
    • December 23, 2008

19. Looking for a blower door ( & gauge)

    By rburney, December 18, 2008
    • 0 replies
    • 1.4k views
    • 
    • rburney
    • December 18, 2008

20. Buzzing noise - heatpump resistance mode

    By CheckItOut, December 2, 2008
    • 12 replies
    • 8.8k views
    • 
    • hausdok
    • December 15, 2008

21. Infrared space heaters

    By Michael Carson, December 13, 2008
    • 3 replies
    • 1.8k views
    • 
    • davidlord
    • December 15, 2008

22. The thieves are becoming more skilled . . .

    By Bain, December 4, 2008
    • 5 replies
    • 2k views
    • 
    • Les
    • December 5, 2008

23. Furnace motor runs continuous under Auto setting

    By Paul9099, November 27, 2008
    • 1 reply
    • 1.8k views
    • 
    • Terence McCann
    • November 27, 2008

24. HELP, Gas Furnace BLOWER MOTOR wont stop running

    By SirRazz197, October 15, 2006
    • 6 replies
    • 7.9k views
    • 
    • Terence McCann
    • November 27, 2008

25. Finding manufacture's date

    By jasonmartin206, November 23, 2008
    • 4 replies
    • 2.5k views
    • 
    • jasonmartin206
    • November 26, 2008